500005500551 has 12 divisors (see below), whose sum is σ = 512629496256. Its totient is φ = 487685278080.

The previous prime is 500005500523. The next prime is 500005500557. The reversal of 500005500551 is 155005500005.

It is a de Polignac number, because none of the positive numbers 2^k-500005500551 is a prime.

It is a super-2 number, since 2×500005500551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500005500551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005500557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6901451 + ... + 6973523.

It is an arithmetic number, because the mean of its divisors is an integer number (42719124688).

Almost surely, 2^500005500551 is an apocalyptic number.

500005500551 is a deficient number, since it is larger than the sum of its proper divisors (12623995705).

500005500551 is an equidigital number, since it uses as much as digits as its factorization.

500005500551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76282 (or 76241 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 500005500551 in words is "five hundred billion, five million, five hundred thousand, five hundred fifty-one".